Home / 7,538.19-10,401.78-4,352.07

Finding the Fourth Proportional to 7,538.19, 10,401.78 and 4,352.07

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Solution

The fourth proportional to 7,538.19, 10,401.78 and 4,352.07 is: 6,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.19 : 10,401.78 = 4,352.07 : x
  2. Step 2: Convert to fraction form
    7,538.19/10,401.78 = 4,352.07/x
  3. Step 3: Cross multiply
    7,538.19x = 10,401.78 × 4,352.07
  4. Step 4: Simplify right side
    7,538.19x = 45,269,274.68
  5. Step 5: Solve for x
    x = 45,269,274.68/7,538.19
  6. Step 6: Final answer
    x = 6,005.32

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Half scale
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Double scale
Find fourth proportional to 7,539.19, 10,403.16 and 4,353.07
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.